LP 71-82

LP 71-82

An R band light curve for LP 71-82 showing flares, adapted from Baran et al. (2013)[1]
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Draco
Right ascension 18h 02m 16.60s
Declination 64° 15′ 44.6″
Apparent magnitude (V) 13.51[1]
Characteristics
Spectral type M5.0V
Apparent magnitude (J) 8.54[2]
Astrometry
Proper motion (μ) RA: 196.394 mas/yr[3]
Dec.: -383.789 mas/yr[3]
Parallax (π)128.3057 ± 0.0319 mas[3]
Distance25.420 ± 0.006 ly
(7.794 ± 0.002 pc)
Details[4]
Mass0.16±0.01 M☉
Radius0.195±0.002 R☉
Luminosity0.0033±0.0003 L☉
Habitable zone inner limit0.06
Habitable zone outer limit0.12
Surface gravity (log g)4.5[5] cgs
Temperature3124±51 K
Rotation0.28018±0.000010 d
Rotational velocity (v sin i)11.3±1.5 km/s
Age0.5+1.1
−0.34 Gyr
Other designations
Gaia DR2 2161121135533953536, G 227-22, LP 71-82, LSPM J1802+6415, NLTT 45873, GSC 04209-01465, 2MASS J18021660+6415445
Database references
SIMBADdata

LP 71-82 is a red dwarf star, located in constellation Draco at 25.42 light-years from Earth.[3] Kinematically, it is probably belongs to the Ursa Major Moving Group.[6]

Multiplicity surveys do not found any stellar companions to LP 71-82 as in 2014.[7]

  1. ^ a b Cite error: The named reference Baran2014 was invoked but never defined (see the help page).
  2. ^ Reiners, A.; et al. (2017), "The CARMENES search for exoplanets around M dwarfs", Astronomy & Astrophysics, 612: A49, arXiv:1711.06576, doi:10.1051/0004-6361/201732054
  3. ^ a b c Brown, A. G. A.; et al. (Gaia collaboration) (2021). "Gaia Early Data Release 3: Summary of the contents and survey properties". Astronomy & Astrophysics. 649: A1. arXiv:2012.01533. Bibcode:2021A&A...649A...1G. doi:10.1051/0004-6361/202039657. S2CID 227254300. (Erratum: doi:10.1051/0004-6361/202039657e). Gaia EDR3 record for this source at VizieR.
  4. ^ Cite error: The named reference Robertson2020 was invoked but never defined (see the help page).
  5. ^ Rodríguez Martínez, Romy; Lopez, Laura A.; Shappee, Benjamin J.; Schmidt, Sarah J.; Jayasinghe, Tharindu; Kochanek, Christopher S.; Auchettl, Katie; Holoien, Thomas W.-S. (2019), "A Catalog of M-dwarf Flares with ASAS-SN", The Astrophysical Journal, 892 (2): 144, arXiv:1912.05549, doi:10.3847/1538-4357/ab793a, S2CID 209323915
  6. ^ Reliable probabilistic determination of membership in stellar kinematic groups in the young disk, Table 4
  7. ^ Janson, Markus; Bergfors, Carolina; Brandner, Wolfgang; Kudryavtseva, Natalia; Hormuth, Felix; Hippler, Stefan; Henning, Thomas (2014), "The Astralux Multiplicity Survey: Extension to Late M-Dwarfs", The Astrophysical Journal, 789 (2): 102, arXiv:1406.0535, Bibcode:2014ApJ...789..102J, doi:10.1088/0004-637X/789/2/102, S2CID 118403775